北海北部Beryl油田三叠纪陆相砂岩的源区:矿物学、地球化学和沉积学制约北海北部Beryl油田三疊紀陸相砂巖的源區:礦物學、地毬化學和沉積學製約 북해북부Beryl유전삼첩기륙상사암적원구:광물학、지구화학화침적학제약 Provenance of Triassic Continental Sandstone in BERYL Oilfield in the North of the North Sea:Constraint of Mineralogy,Geochemistry and Sedimentology